Oosterboschite
A valid IMA mineral species
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About Oosterboschite
Formula:
(Pd,Cu)7Se5
Hardness:
4½ - 5
Specific Gravity:
8.48 (Calculated)
Crystal System:
Orthorhombic
Name:
Named after Robert Oosterbosch (1 April 1908, Brussels, Belgium - 11 November 1992), mining geologist. He was involved with the development and exploitation of ore bodies in Katanga.
Type Locality:
This page provides mineralogical data about Oosterboschite.
Unique Identifiers
Mindat ID:
3002
Long-form identifier:
mindat:1:1:3002:7
IMA Classification of Oosterboschite
Approved
Approval year:
1970
First published:
1970
Classification of Oosterboschite
2.BC.10
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
C : With Rh, Pd, Pt, etc.
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
B : Metal Sulfides, M: S > 1: 1 (mainly 2: 1)
C : With Rh, Pd, Pt, etc.
2.16.15.2
2 : SULFIDES
16 : Miscellaneous
2 : SULFIDES
16 : Miscellaneous
3.12.16
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
12 : Sulphides etc. of the platinum metals
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Oos | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Oosterboschite
Transparency:
Opaque
Hardness:
4½ - 5 on Mohs scale
Hardness:
VHN100=340 kg/mm2 - Vickers
Density:
8.48 g/cm3 (Calculated)
Optical Data of Oosterboschite
Anisotropism:
Medium strong, bluish gray to brownish gray
Reflectivity:
| Wavelength | R1 (%) | R2 (%) |
|---|---|---|
| 400nm | 38.4% | 45.1% |
| 440nm | 41.4% | 47.9% |
| 480nm | 43.9% | 50.3% |
| 520nm | 45.6% | 51.7% |
| 560nm | 46.0% | 51.6% |
| 600nm | 46.3% | 51.2% |
| 640nm | 47.2% | 51.6% |
| 680nm | 48.2% | 52.0% |
| 700nm | 48.6% | 52.2% |
Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 52.2%.
R1 shown in black, R2 shown in red
Colour in reflected light:
Pale yellow with a cream tint
Chemistry of Oosterboschite
Mindat Formula:
(Pd,Cu)7Se5
Elements listed:
Crystallography of Oosterboschite
Crystal System:
Orthorhombic
Cell Parameters:
a = 10.42(2) Å, b = 10.60(2) Å, c = 14.43(2) Å
Ratio:
a:b:c = 0.983 : 1 : 1.361
Unit Cell V:
1594 ų
Z:
8
Morphology:
irregular grains, to 0.4 mm
Twinning:
Polysynthetic, two orthogonal sets of fine lamellae always observed in polished section
Comment:
Orthorhombic, pseudotetragonal. Point Group: n.d.; Space Group: n.d.
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 2.647 Å | (100) |
| 2.600 Å | (80) |
| 1.847 Å | (80) |
| 2.736 Å | (70b) |
| 2.244 Å | (70b) |
| 1.935 Å | (70) |
| 1.903 Å | (70) |
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| High-? alteration and/or metamorphism | |
| 33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Oosterboschite
General Appearance of Type Material:
Irregular grains to 0.4 mm.
Place of Conservation of Type Material:
Musée de Minéralogie, Ecole des Mines de Paris
Associated Minerals at Type Locality:
Synonyms of Oosterboschite
Other Language Names for Oosterboschite
Dutch:Oosterboschiet
German:Oosterboschit
Simplified Chinese:硒铜钯矿
Spanish:Oosterboschita
Traditional Chinese:硒銅鈀礦
Common Associates
Associations Based on Photo Data:
| 6 photos of Oosterboschite associated with Cuprosklodowskite | Cu(UO2)2(SiO3OH)2 · 6H2O |
| 6 photos of Oosterboschite associated with Trogtalite | CoSe2 |
| 6 photos of Oosterboschite associated with Quartz | SiO2 |
| 2 photos of Oosterboschite associated with Verbeekite | PdSe2 |
| 1 photo of Oosterboschite associated with Guilleminite | Ba(UO2)3(SeO3)2O2 · 3H2O |
Related Minerals - Strunz-mindat Grouping
| 2.BC. | Panskyite | Pd9Ag2Pb2S4 |
| 2.BC. | Fleetite | Cu2RhIrSb2 |
| 2.BC. | Coldwellite | Pd3Ag2S |
| 2.BC. | 'UM2004-45-Se:AgHgPd' | (Ag,Cu)6Hg2Pd2Se3 |
| 2.BC.05 | 'UM2000-47-S:CuFePdPt' | PtPd(Fe,Cu)S |
| 2.BC.05 | Miassite | Rh17S15 |
| 2.BC.05 | Palladseite | Pd17Se15 |
| 2.BC.15 | Chrisstanleyite | Ag2Pd3Se4 |
| 2.BC.15 | Jagüéite | Cu2Pd3Se4 |
| 2.BC.20 | Keithconnite | Pd20Te7 |
| 2.BC.25 | Vasilite | (Pd,Cu)16(S,Te)7 |
| 2.BC.30 | Telluropalladinite | Pd9Te4 |
| 2.BC.35 | Kojonenite | Pd7-xSnTe2 (0.3 ≤ x ≤ 0.8) |
| 2.BC.35 | Luberoite | Pt5Se4 |
| 2.BC.37 | Kravtsovite | PdAg2S |
| 2.BC.40 | Oulankaite | (Pd,Pt)5(Cu,Fe)4SnTe2S2 |
| 2.BC.40 | Lukkulaisvaaraite | Pd14Ag2Te9 |
| 2.BC.42 | Monchetundraite | Pd2NiTe2 |
| 2.BC.45 | Telargpalite | (Pd,Ag)3(Te,Bi) |
| 2.BC.45 | Thalhammerite | Pd9Ag2Bi2S4 |
| 2.BC.47 | Vymazalováite | Pd3Bi2S2 |
| 2.BC.50 | Temagamite | Pd3HgTe3 |
| 2.BC.55 | Bowlesite | PtSnS |
| 2.BC.55 | Sopcheite | Ag4Pd3Te4 |
| 2.BC.60 | Laflammeite | Pd3Pb2S2 |
| 2.BC.65 | Tischendorfite | Pd8Hg3Se9 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Oosterboschite
mindat.org URL:
https://www.mindat.org/min-3002.html
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References for Oosterboschite
Localities for Oosterboschite
Showing 7 localities.
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Australia | |
| Nickel (2002) |
Canada | |
| Charles Normand (2016) |
DR Congo (TL) | |
| Johan et al. (1970) +4 other references |
Morocco | |
| Kalinin et al. (2022) |
UK | |
| Roberts et al. (2002) |
USA | |
| www.excaliburmineral.com +1 other reference |
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The
Musonoi Mine, Kolwezi, Mutshatsha, Lualaba, DR Congo